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          <h1 id="刀具設定注意事項">刀具設定注意事項</h1>

<h2 id="刀身設定">刀身設定</h2>
<h3 id="刀身形式">刀身形式</h3>
<p>刀身(Cutter)形式包含：</p>
<ul>
<li><strong>銑削</strong>
凡刀具以旋轉形式加工的，於HiNC中歸類為銑削，包含鑽、搪。</li>
<li><strong>自由減法</strong>
切割刀、放電加工模具。</li>
</ul>
<h3 id="銑削刀具描述參數">銑削刀具描述參數</h3>
<ul>
<li>材料：刀柄材料、刀身材料、(多層)鍍膜材料及厚度。</li>
<li>刃旋轉包絡形：可使用簡化參數 (APT) 或自訂 ZR 表。</li>
<li>簡化（屈服等效）刃中心旋轉包絡形：
<ul>
<li>刃旋轉包絡形的實體空間比率。</li>
<li>自訂 ZR 表。</li>
</ul>
</li>
<li>夾持端（不可切削區）形狀：自訂 ZR 表。</li>
<li>每刃形狀（含側刃、底刃）：
<ul>
<li>簡化參數：螺旋角度位置、前角、離隙角。</li>
<li>自訂每 Z 值：螺旋角度位置、前角、離隙角、半徑長。</li>
</ul>
</li>
<li>刃磨半徑（Hone Radius）、刀具重量、刀片重量及（熱傳等效）厚度。</li>
</ul>
<h3 id="離隙角">離隙角</h3>
<p>HiNC的離隙角設定為第一離隙角。用來計算刀緣磨耗寬度(Flank Wear, VB)。</p>
<h3 id="刀身重量">刀身重量</h3>
<p>刀身重量 用來計算熱傳。</p>
<ul>
<li>一體式刀具： 刀身重量 填寫一體式刀具的重量。</li>
<li>組裝式刀具： 刀身重量 填寫刀片總重，不包含組裝式刀把的重量。</li>
</ul>
<h3 id="刃磨半徑">刃磨半徑</h3>
<p>刃磨半徑(Hone Radius)表示刀具銳利程度，為刀刃鋒利處的半徑。一般在 20 ~ 50 um。</p>
<p>用來切削易加工材料的刀具通常刃磨半徑小，如Al6061T6，可以假設為20um；用來切削難加工材料的刀具通常刃磨半徑大，如不鏽鋼，可以假設為50um。</p>
<h3 id="刃形與刃雕-底部刃雕">刃形與刃雕-底部刃雕</h3>
<p>底部刃雕在底部刃為水平或反曲需要設定，它會作用在有下行切削的段落。</p>
<p>鑽刀不用設定底部刃雕，設定側向刃雕就好。因為鑽刀底部不為水平或反曲，如果特製鑽刀底部為水平或反曲，則需要設定底部刃雕。</p>
<p>通常只有牛鼻刀要設定底部刃雕。注意平銑刀通常不會下行切削，也不應下行切削，但如果工序這麼做了，就需要設定底部刃雕。</p>

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